Portable computer



FIG. 1 is an isometric view of a portable computer showing our new design, where the top portion of the portable computer is in an open position;

FIG. 2 is a right side elevational view of the portable computer where the top portion of the portable computer is in a closed position;

FIG. 3 is a left side isometric view of the portable computer where the top portion of the portable computer is in a closed position;

FIG. 4 is a front elevational view of the portable computer where the top portion of the portable computer is in a closed position;

FIG. 5 is a front isometric view of the portable computer where the top portion of the portable computer is in a partially open position;

FIG. 6 is a rear elevational view of the portable computer where the top portion of the portable computer is in a closed position, and where a rear flap of the portable computer is in a closed position; and,

FIG. 7 is a rear elevational view of the portable computer where the top portion of the portable computer is in a closed position and where a rear flap of the portable computer is opened to expose interface connectors. 

The ornamental design for a portable computer, as shown and described. 